Luminous display device



FIG. 1 is a perspective view of the first environment of my new luminous display device design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being identical;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of the second environment of my new luminous display device design;

FIG. 8 is a right side view of FIG. 7;

FIG. 9 is a left side view of FIG. 7;

FIG. 10 is a front elevational view of FIG. 7, the rear elevational view being identical;

FIG. 11 is a top plan view of FIG. 7; and

FIG. 12 is a bottom plan view of FIG. 7; and,

FIG. 13 is an enlarged view of the pattern of circles on the luminous display device encircled as 13 in FIG. 5.

The broken lines showing a base are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a luminous display device, as shown and described. 